Subject :NSO Class : Class 8
Priya wants to carry out a fair test to find out how fast water can pass through four different kinds of soil. She sets up the experiment as shown in the figure below. She uses a stopwatch to measure the time taken for water to pass through each kind of the soil.
Which type of soil is suitable to grow lentils?
(a) S
(b) P
(c) Q
(d) R
Please explain this!!!!